Stackable display cubes with insertable poster



FIG. 1 is a front, right side, perspective view of stackable display cubes with insertable poster showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for stackable display cubes with insertable poster, as shown and described. 